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MS5 SHELL Frame-Type Three-Phase Circuit Breaker

MS5 SHELL Frame-Type Three-Phase Circuit Breaker， MS5-12-1250/25-07 Abbreviation: MS5-07， MS5-12-1250/31.5-08 Abbreviation: MS5-08， MS5-12-1600/25-09 Abbreviation: MS5-09， MS5-12-1600/31.5-10 Abbreviation: MS5-10， MS5-12-2000/25-11 Abbreviation: MS5-11， MS5-12-2000/31.5-12 Abbreviation: MS5-12 For use in air-insulated switchgear.

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подробность

Serial Number	project	MS5-07	MS5-08	MS5-09	MS5-10	MS5-11	MS5-12
1	Rated voltage, kV	12	12	12	12	12	12
2	Rated current, A	1250	1250	1600	1600	2000	2000
3	Rated power frequency withstand voltage, kV	42	42	42	42	42	42
4	Rated impact withstand voltage, kV	85	85	85	85	85	85
5	Rated short-circuit breaking current, kA	25	31.5	25	31.5	25	31.6
6	Rated short-circuit making peak current, kA	63	80	63	80	63	80
7	Rated short-time withstand current, kA	63	80	63	80	63	80
8	Rated short-time withstand time, s	4	4	4	4	4	4
9	Rated frequency, Hz	50	50	50	50	50	50
10	Phase spacing, mm	210	210	210	210	210	210
11	Contact gap, mm	6±0.5	6±0.5	6±0.5	6±0.5	6±0.5	6±0.5
12	Overtravel of the mechanism, mm	2±0.5	2±0.5	2±0.5	2±0.5	2±0.5	2±0.5
13	Rated operating cycle	O-0.3s-CO-15s-CO
14	Inherent closing time, ms	<25	<25	<25	<25	<25	<25
15	Three-phase closing asynchronously, ms	≤2	≤2	≤2	≤2	≤2	≤2
16	Close-in bounce time, ms	≤2	≤2	≤2	≤2	≤2	≤2
17	Inherent tripping time, ms	5±0,5	5±0,5	5±0,5	5±0,5	5±0,5	5±0,5
18	The three-phase tripping was not synchronized, ms	≤2	≤2	≤2	≤2	≤2	≤2
19	Mechanical life, cycles	50000	50000	50000	50000	50000	50000
20	Electrical life (rated short-circuit current), times	50	50	50	50	50	50
21	Number of auxiliary switches	6NO+6NC
22	Weight, kg	52	52	52	52	52	52